Diffusion (vacuum)pump oil
[化] 扩散泵油; 扩散真空泵油
🧩 词语组成解析
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
What's the nature of the problem?
是什么样的问题？
I have a toothache.
我牙好痛。
Tom and I are going to have a holiday.
我和汤姆准备去度假。